Animal Encyclopedia Guides-Comprehensive Animal Science Guides - Animals Top 10

Javan Rhino (Rhinoceros sondaicus): The Rarest Living Rhinoceros

Quick FactsStatus: Critically Endangered (CR)Wild population: Fewer than 100 individuals; all in Ujung Kulon National Pa···

Malayan Tiger (Panthera tigris jacksoni): A Critically Endangered Icon of Peninsular Malaysia

Key TakeawaysFewer than ~150 Malayan tigers are thought to remain in the wild; the subspecies is Critically Endangered.P···

Pangolin: Misunderstood “Scaly Mammal” and One of the Most Trafficked Animals on Earth

Key TakeawaysAll eight species are threatened (IUCN: from Vulnerable to Critically Endangered) and heavily targeted by i···

Gooty Sapphire Tarantula (Poecilotheria metallica): Features, Behavior, and Conservation

Key PointsNames: Gooty sapphire tarantula / Peacock tarantula; scientific name Poecilotheria metallica.IUCN Status: Crit···

5 Quetzal Species of Central & South America: ID, Habitat, Culture, and Conservation

Key TakeawaysQuetzals are jewel-toned trogons from Central & South America; the resplendent quetzal is the most icon···

Tenrecs: Characteristics, Types, Habitat, Diet and Fun Facts

Tenrecs are mammals in the family Tenrecidae whose outward appearance often resembles hedgehogs. Most species are endemi···

Saola: The “Asian Unicorn” Fighting for Survival

Key TakeawaysStatus: Critically Endangered (CR); best estimates put fewer than 100 individuals left in the wild, and dec···

Sumatran Orangutan: Why This Great Ape Is on the Brink—and How We Can Help

Key Points (Quick Read)Status: Critically Endangered; most recent estimates put the wild population under ~14,000 and de···

Sunda Tiger (Sumatran Tiger): The Last Island Tiger on the Brink

At a GlanceWho it is: The Sunda tiger—better known as the Sumatran tiger (Panthera tigris sumatrae)—is the smallest li···

Yangtze Finless Porpoise: The World’s Only Freshwater Porpoise (and Why It’s on the Brink)

Key TakeawaysCritically endangered: Fewer than 1,000 are thought to remain in the wild, with fragmented sub-populations ···

Ostriches: Traits, Types, Range, Diet & More

Ostriches (genus Struthio) in the family Struthionidae are the largest living birds. Adult males stand 2.5–2.8 m tall a···

The 10 Most Venomous and Dangerous Wasps in the World

Across the globe, there are thousands of wasp species — from harmless honeybees to extremely aggressive hornets capable···

Deinosuchus: The Giant “Terror Croc” of the Late Cretaceous

Deinosuchus (“terrible crocodile”) was a colossal crocodylian within the Alligatoroidea superfamily that prowled easte···

Endangered Animals in 2025

Earth hosts more than 7.7 million animal species, and over 20% face extinction. Many of the planet’s most unusual creat···

Laugh until my stomach hurts! These wild animals are so funny

Nature is not only magnificent and mysterious, but also full of joy and warmth. Those casual expressions, clumsy movemen···

A Complete List of Common Praying Mantis Species and Pictures | A Complete Guide to Praying Mantises

Famous for their "praying" front legs and lightning-fast predation, praying mantises (Mantodea) are natural hu···

The 10 Most Poisonous Insects in the World

Insects inhabit nearly every corner of our planet. They are the most numerous creatures in the animal kingdom — yet man···

The World’s Most Responsible Aquarium? Discover Monterey Bay Aquarium

When it comes to aquariums, many ocean-lovers ask: Is there truly a “good” aquarium worth visiting—one that respects ···

Turtles at Risk of Extinction

According to the International Union for Conservation of Nature (IUCN), a species listed as Critically Endangered faces ···

100 Endangered Animals

Many animal species are now endangered or in a state of severe vulnerability—including the polar bear, the Javan rhinoc···

The Most Dangerous Fish in the World

Sharks are often called the kings of the ocean, but there are many other fish—some much smaller than sharks—that can b···

Endangered Seals

Seals (Phocidae) are marine mammals, like whales, dolphins, porpoises, walruses, and manatees.According to the Internati···

Endangered Mammals

Like many other species of flora and fauna, a significant number of mammals are currently facing the risk of extinction.···

Differences Between Bees, Wasps, and Bumblebees

In the insect world, there are many species that look alike and can easily be confused with one another. This is especia···